August weather forecastRethimno, Greece

August
Weather in August
August, the last month of the summer in Rethimno, is another warm month, with an average temperature varying between 29°C (84.2°F) and 21°C (69.8°F).The ideal sea water temperature of 25.9°C (78.6°F) and 1mm (0.04") of accumulated rainfall makes August the best time for swimming and other water activities.
Temperature
The transition into August reveals an average high-temperature of a moderately hot 29°C (84.2°F), mirroring a close resemblance to July. Nighttime temperatures in Rethimno hover around an average low of 21°C (69.8°F) in August.Rainfall
The months with the least rainfall are July and August with 1mm (0.04") of accumulated rain.Sea temperature
The month with the warmest seawater in Rethimno, Greece, is August, with an average sea temperature of 25.9°C (78.6°F).Note: With water temperature from 25°C (77°F) to 29°C (84.2°F), all water activities are comfortable and delightful, devoid of discomfort even for lengthened periods.
Daylight
In August, the average length of the day in Rethimno is 13h and 28min.On the first day of August, sunrise is at 06:31 and sunset at 20:25. On the last day of the month, sunrise is at 06:54 and sunset at 19:50 EEST.
Sunshine
June through August, with an average of 12h of sunshine, are months with the most sunshine.UV index
In August, the average daily maximum UV index is 9. A UV Index of 8 to 10 symbolizes a very high threat to health from exposure to the Sun's UV radiation for the average person.Note: The maximum daily UV index of 9 in August interprets into the following recommendations:
Never be careless. Unprotected skin and eyes can be harmed swiftly. Avoid direct sunlight between the hours of 10 a.m. and 4 p.m., when UV radiation is at its peak. Keep in mind that shade structures may not provide complete protection. Employ a wide-brim hat for potent defense against up to 50% of UV rays. Even when it's cloudy, ensure the generous application and frequent reapplication of a sunscreen with at least 30 SPF, particularly post swim or outdoor activity. Warning! Sand and water reflections boost the intensity of UV exposure.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Rethimno, Greece
- Average high temperature in August: 29°C
The warmest month (with the highest average high temperature) is July (30°C).
The month with the lowest average high temperature is January (14°C).
- Average low temperature in August: 21°C
The months with the highest average low temperature are July and August (21°C).
The coldest months (with the lowest average low temperature) are January and February (8°C).
Average rainfall in August
Rethimno, Greece
- Average rainfall in August: 1mm
The wettest month (with the highest rainfall) is January (142mm).
The driest months (with the least rainfall) are July and August (1mm).
Average rainfall days in August
Rethimno, Greece
- Average rainfall days in August: 0 days
The month with the highest number of rainy days is December (13 days).
The months with the least rainy days are July and August (0 days).
Average sea temperature in August
Rethimno, Greece
- Average sea temperature in August: 25.9°C
The best month for swimming (with the highest average sea temperature) is August (25.9°C).
The coldest month (with the lowest average sea temperature) is February (16.1°C).
Average daylight in August /
Average sunshine in August
Rethimno, Greece
- Average daylight in August: 13h and 30min
The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 48min).
- Average sunshine in August: 12h
The months with the most sunshine are June, July and August (Average sunshine: 12h).
The months with the least sunshine are January and December (Average sunshine: 4h).
Average UV index in August
Rethimno, Greece
- Average UV index in August: 9
The months with the highest UV index are June and July (UV index 10).
The months with the lowest UV index are January and December (UV index 2).





